85 7th grade students were surveyed about their favorite type of music. 40% of student stated their favorite type of music is country. What is the total number of students that did not choose country as their favorite type of music. Set up as proportion.

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.

Express -5 2/5 as an improper fraction.